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# Theme: Keeping healthy

## Food and diet

#### Calorie values

Junk food:

• Costs versus home cooked equivalent.
• Exploration of levels of fat, sodium, carbohydrates.
• Packaging exploration.
• Amount of waste product – packaging etc.
• CensusAtSchool – Sugar guzzlers
• Links with home economics, health and PE, science.

#### Food prices

• Compare different foods to buy 100g, for example, different vegetables, different meats.
• Compare same food, same amount across different shops.
• Track food prices over a period of time, for example, the cost of different vegetables through the year, during their growing season and then off season.

#### Water

• CensusAtSchool - 8 glasses per day?
• How many glasses of water in a lifetime?
• What percentage of the body is water?
• What percentage of different foods is water?
• Comparison of prices of different bottled water?
• Bottled water versus tap water – taste testing.

#### Designing a vegetable garden

• Shape, size, amount of soil.
• Cost of planting and growing vegetables vs store bought.

### Possible achievement objectives

Select from below depending on the teaching and learning activities chosen.

#### Number strategies and knowledge

• NA5-1 Reason with linear proportions.
• NA5-4 Use rates and ratios.
• NA5-5 Know commonly used fraction, decimal, and percentage conversions.
• NA5-6 Know and apply standard form, significant figures, rounding, and decimal place value.
• NA6-1 Apply direct and inverse relationships with linear proportions.
• NA6-4 Find optimal solutions, using numerical approaches.

#### Measurement

• GM5-1Select and use appropriate metric units for length, area, volume and capacity, weight (mass), temperature, angle, and time, with awareness that measurements are approximate.
• GM5-2 Convert between metric units, using decimals.
• GM5-3 Deduce and use formulae to find the perimeters and areas of polygons and the volumes of prisms.
• GM5-4 Find the perimeters and areas of circles and composite shapes and the volumes of prisms, including cylinders.
• GM6-1 Measure at a level of precision appropriate to the task.
• GM6-3 Calculate volumes, including prisms, pyramids, cones, and spheres, using formulae.

#### Shape

• GM5-6 Create accurate nets for simple polyhedra and connect three-dimensional solids with different two-dimensional representations.

#### Statistical investigation

• S5-1 Plan and conduct surveys and experiments using the statistical enquiry cycle:
• A - determining appropriate variables and measures
• B - considering sources of variation
• C - gathering and cleaning data
• D - using multiple displays
• E - comparing sample distributions visually
• F - presenting a report of findings.
• S6-1 Plan and conduct investigations using the statistical enquiry cycle:
• A - justifying the variables and measures used
• C - identifying and communicating features in context using multiple displays
• E - justifying findings, using displays and measures.

## Exercise

• Data collection related to exercise:
• What type of exercise?
• Heart rate for different exercises.
• Frequency and time of exercise
• Group/team/individual
• Hours per day
• Hours per week
• Aerobic vs anaerobic
• Body mass index

### Possible achievement objectives

Select from below depending on the teaching and learning activities chosen.

#### Number strategies and knowledge

• NA5-1 Reason with linear proportions.
• NA5-4 Use rates and ratios.
• NA5-5 Know commonly used fraction, decimal, and percentage conversions.
• NA6-1 Apply direct and inverse relationships with linear proportions.

#### Patterns and relationships

• NA5-9 Relate tables, graphs, and equations to linear and simple quadratic relationships found in number and spatial patterns.
• NA6-7 Relate graphs, tables, and equations to linear, quadratic, and simple exponential relationships found in number and spatial patterns.
• NA6-8 Relate rate of change to the gradient of a graph.

#### Measurement

• GM5-1 Select and use appropriate metric units for length, area, volume and capacity, weight (mass), temperature, angle, and time, with awareness that measurements are approximate.
• GM5-2 Convert between metric units, using decimals.
• GM6-1 Measure at a level of precision appropriate to the task.
• GM6-2 Apply the relationships between units in the metric system, including the units for measuring different attributes and derived measures.

#### Statistical investigation

• S5-1 Plan and conduct surveys and experiments using the statistical enquiry cycle:
• A - determining appropriate variables and measures
• B - considering sources of variation
• C - gathering and cleaning data
• D - using multiple displays, and re-categorising data
• E - comparing sample distributions visually, using measures of centre, spread, and proportion
• F - presenting a report of findings.
• S6-1 Plan and conduct investigations using the statistical enquiry cycle:
• A - justifying the variables and measures used
• B - managing sources of variation, including through the use of random sampling
• C - identifying and communicating features in context
• D - making informal inferences about populations from sample data
• E - justifying findings, using displays and measures.

#### Statistical literacy

• S5-2 Evaluate statistical investigations or probability activities undertaken by others, including data collection methods, choice of measures, and validity of findings.
•  S6-2 Evaluate statistical reports in the media by relating the displays, statistics, processes, and probabilities used to the claims made.

• Sugar guzzlers

## Achievement standards

Learning from this theme could potentially provide evidence towards the following achievement standards.

• AS91026 Mathematics and statistics 1.1 Apply numeric reasoning in solving problems – 4 credits; Internal
• AS91028 Mathematics and statistics 1.3 Investigate relationships between tables, equations and graphs – 4 credits; External
• AS91029 Mathematics and statistics 1.4 Apply linear algebra in solving problems – 3 credits; Internal
• AS91030 Mathematics and statistics 1.5 Apply measurement in solving problems – 3 credits; Internal
• AS91033 Mathematics and statistics 1.8 Apply knowledge of geometric representations in solving problems – 3 credits; Internal
• AS91035 Mathematics and statistics 1.10 Investigate a given multivariate data set using the statistical enquiry cycle –4 credits; Internal
• AS91036 Mathematics and statistics 1.11 Investigate bivariate numerical data using the statistical enquiry cycle – credits; Internal
• AS91037 Mathematics and statistics 1.12 Demonstrate understanding of chance and data – 4 credits; External

Last updated July 30, 2015